order_lines = [
    {
        id: 1,
        product_item: {
            id: 1,
            product: {
                id: 1
            },
            color: 'red',
            size: 's'
        },
        qty: 2
    },
    {
        id: 2,
        product_item: {
            id: 2,
            product: {
                id: 1
            },
            color: 'red',
            size: 'm'
        },
        qty: 2
    },
    {
        id: 3,
        product_item: {
            id: 2,
            product: {
                id: 1
            },
            color: 'green',
            size: 'm'
        },
        qty: 2
    }
]

